Dockerfile

# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm ci --ignore-scripts

COPY tsconfig.json ./
COPY src/ ./src/

RUN npm run build

# Production stage
FROM node:20-alpine

RUN addgroup -g 1001 -S proxyuser && \
    adduser -S proxyuser -u 1001

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm ci --omit=dev --ignore-scripts && npm cache clean --force

COPY --from=builder /app/dist ./dist
COPY config/ ./config/
COPY src/dashboard/index.html ./dist/dashboard/index.html

RUN mkdir -p /app/data && chown proxyuser:proxyuser /app/data

USER proxyuser

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1

CMD ["node", "dist/server.js"]